The TLS RFC specifies a PRF() function for the generation of the master
secret:

        master_secret = PRF(pre_master_secret, "master secret",
                            ClientHello.random + ServerHello.random);


Does OpenSSL publish an interface to this function (PRF)?

On a similar note, does OpenSSL provide a PRF() interface to generate the
session keys (client write MAC key, server write MAC key, client write
encryption key, and server write encryption key), once the master secret has
been generated?



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